English Words Starting With E

• ethyl nitrite spirit

  nounVery Low
  /ˈiːθaɪl ˈnaɪtraɪt ˈspɪrɪt/A medicinal preparation containing ethyl nitrite in alcoholic solution, historically used as a vasodilator and antispasmodic.
• ethyl sulfide

  nounVery Low (Technical/Scientific)
  /ˈɛθaɪl ˈsʌlfaɪd/ or /ˈɛθɪl ˈsʌlfaɪd/A simple organosulfur compound with the chemical formula C₂H₅SC₂H₅. It is the sulfur analogue of diethyl ether.
• ethyl urethane

  nounC2 (Very Low Frequency)
  /ˌɛθɪl ˈjʊər.ə.θeɪn/A colourless, crystalline organic compound with the chemical formula C₅H₁₁NO₂, also known as ethyl carbamate.
• ethylamine

  nounC1
  /ˌɛθɪləˈmiːn/An organic chemical compound belonging to the amine class, specifically consisting of an ethyl group attached to an amino group.
• ethylate

  nounverbverb-transitiveVery Rare
  /ˈɛθɪleɪt/To introduce an ethyl group (-C₂H₅) into a compound; to convert into an ethyl derivative.
• ethylbenzene

  nounC2+ (Very Rare)
  /ˌɛθɪlˈbɛnziːn/An aromatic hydrocarbon consisting of a benzene ring bonded to an ethyl group (C₆H₅CH₂CH₃). It is a colorless, flammable liquid.
• ethyldichloroarsine

  nounVery Low
  /ˌɛθɪlˌdaɪˌklɔːrəʊˈɑːsiːn/A toxic, blister-forming organoarsenic chemical weapon.
• ethylenation

  nounVery Low
  /ˌɛθɪlɪˈneɪʃən/The chemical process of introducing an ethylene group (–CH₂–CH₂–) into a compound.
• ethylene

  adjectivenounMedium
  /ˈɛθɪliːn/A colourless flammable gas with a faint sweet smell (C₂H₄), the simplest alkene hydrocarbon.
• ethylene dibromide

  nounC2
  /ˈɛθɪliːn daɪˈbrəʊmaɪd/A colorless, dense liquid chemical compound with the formula C₂H₄Br₂, historically used as a pesticide, especially as a soil fumigant and lead scavenger in leaded gasoline.
• ethylene dichloride

  nounC2
  /ˈɛθɪliːn daɪˈklɔːraɪd/A colourless, toxic, volatile liquid chemical compound with the formula C2H4Cl2, primarily used as an intermediate in the production of vinyl chloride monomer (VCM) for PVC plastic.
• ethylene glycol

  nounC1
  /ˈɛθɪliːn ˈɡlaɪkɒl/A colorless, sweet-tasting, viscous liquid alcohol used primarily as an antifreeze and coolant in vehicles and as a raw material in manufacturing.
• ethylene group

  nounLow
  /ˈɛθɪliːn ɡruːp/The two-carbon unit with a double bond (–CH₂–CH₂–) or its derived radical, –CH₂CH₂–, fundamental in organic chemistry.
• ethylene oxide

  nounC2
  /ˈɛθɪliːn ˈɒksaɪd/A flammable, highly toxic gas (C₂H₄O), used as a sterilising agent and in chemical manufacturing.
• ethylene series

  nounLow
  /ˈɛθɪliːn ˈsɪəriːz/A homologous series of unsaturated hydrocarbons with the general formula CₙH₂ₙ, characterized by a carbon-carbon double bond (C=C). The simplest member is ethylene (C₂H₄), which gives the series its name.
• ethylenediaminetetraacetic acid

  nounLow
  /ˌɛθɪliːnˌdaɪəmiːnˌtetrəəˈsiːtɪk ˈæsɪd/A powerful synthetic compound that binds strongly to metal ions, primarily used to chelate (sequester) them from solutions.
• ethyne

  nounC1/C2
  /ˈɛθʌɪn/The simplest alkyne hydrocarbon, with chemical formula C₂H₂.
• ethynyl group

  nounVery low
  /ˈɛθɪnɪl ɡruːp/The univalent radical –C≡CH derived from acetylene by removal of one hydrogen atom.
• ethynylation

  nounExtremely Low
  /ɛθɪnɪˈleɪʃən/A chemical reaction that introduces an ethynyl group (—C≡CH) into a molecule.
• etienne

  nounVery low
  /ˌɛtɪˈɛn/A French masculine given name, the French equivalent of Stephen.

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